5
unprecedented(adjective, extraordinary, unusual, exceptional, marvelous)
4
concerned(adjective, keen, sympathetic, excited, involved)
4
crazy(adjective, extraordinary, unusual, wild, strange)
4
individual(adjective, extraordinary, remarkable, particular)
4
interrogative(adjective, quizzical)
4
nutty(extraordinary, unusual, wild, strange, crazy)
4
out-of-the-way(adjective, extraordinary, new, exceptional, odd)
4
preposterous(adjective, happy, perfect, strange, fantastic)
4
quizzical(adjective, unusual, wild, crazy, irregular)
4
uncustomary(adjective, solid, extraordinary, unusual, strange)
4
unheard-of
4
unnatural(adjective, unusual, wild, strange, exceptional)
4
untypical(adjective, nonconforming)
4
wondering(adjective, interested, exploratory, investigative, investigatory)
3
anxious(adjective, desire, keen, excited)
3
attracted(adjective, keen, sympathetic, excited, involved)
3
barmy
3
burning with curiosity(expression, idiom, curiosity)
3
comical(adjective, ridiculous)
3
cranky(adjective, usual)
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APASmart Define. (2016). curious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/curious/thesaurus/synonyms
ChicagoSmart Define. 2016. "curious thesaurus" https://smartdefine.org/curious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, curious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/curious/thesaurus/synonyms>.
MLASmart Define. "curious thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/curious/thesaurus/synonyms>